SANFORD-Sharpie Ultra Fine Tip Marker. Sharpies have been one of the most popular permanent markers ever made. These markers are known for quickly drying; and being permanent and water resistant on most surfaces. This package contains five assorted Ultra Fine Tip Permanent Marker (2 black; one each of red; blue; and green). Nontoxic and conforms to ASTM D4236. Made in USA.